I am challenging the solution to this classic riddle.
Read the link if you are unfamiliar with it.
The bottom line of the riddle is that an even number of lions won't eat the sheep, and an odd number will. I fully understand the recursive reasoning behind this.
But suppose there were an even n...

As you enter a clinic, you catch a whiff of a disgusting 2156. Oh, it must be that 351 that 123456 was eating for lunch. Eww, it's starting to 624, 425. Oh hey 16. Smith, didn't hear you come in. No, we didn't 4621 on your 324, it was already dirty when we came in. Oh, yes, we threw away your 351...

In the spirit of the What is a Word™/Phrase™ series started by JLee, a special brand of Phrase™ and Word™ puzzles.
If a word conforms to a special rule, I call it a Plus Word™.
Use the examples below to find the rule.
$$
% set Title text. (spaces around the text ARE important; do not remove...

Admittedly, this one is fairly easy... I hope it isn't too bad, it's a first puzzle. Whether it is bad or not is up to you.
Since I suck at embedding images here it is. Edit: Thanks suomynonA for the fix. :P

The title is pretty much always part of these puzzles in some way. Sometimes by sharing the same trait as the words themselves, sometimes in other ways. I won't comment beyond that, except to say that (as always) the title here is not gratuitous.

$\mathtt{Once \ upon \ a \ time, \ there \ was \ a \ young \ sailor. \ This \ young \ sailor, \ however, \ was \ a \ pirate. \ The \ scourge \ of \ the \ seas.\\ \ You \ may \ have \ heard \ of \ him \ - \ the \ infamous \ Blackbeard!\\ \ With \ his \ band \ of \ cutthroat \ pirates, \ he \ sta...

You can create table by using Box Drawing Unicode.
This answer helps the new users about the required box-drawing Unicode uses with Unicode-Key.
For creating Table, the following Unicode are essential:
1. Two lines:
Horizontal ━ U+2501
Vertical ┃ U+2503
2. Four ...

The goal is to tile all the white squares using T-tetrominos when there is gravity pulling the tetrominos downwards like regular tetris.
If you have played tetris, it is obvious what gravity means but just for clarity here is an example: The red one is not allowed because it will fall down. Th...

This is a spin-off and heavily inspired by Levieux's puzzle that I enjoyed helping answer/solve. And I've never used ciphers or things like this before so I wanted to learn some new puzzles :)
I have an alphabetically sorted collection of singles in my library. Unfortunately somebody shifted thi...

I may be black, though, not the snake.
I may bounce, though, not the ball.
Always tied, but, not the cuffs.
Not even the boots, but quite often tall.
Call me a swine, I really don't care.
Both XX and XY may hold my possession.
I will lay back there, quietly as always.
Will...